X has twice as much money as that of Y and Y has 50% more money than that of Z. If the average money of all of them is Rs. 110, then the money, which X has is :
A. Rs. 55
B. Rs. 60
C. Rs. 90
D. Rs. 180
Answer: Option D
Solution(By Examveda Team)
50% = $$\frac{1}{2}$$Let Z has 2 units of money
According to the question,
X : Y : Z
6 : 3 : 2
$$\frac{(6 + 3 + 2)}{3}$$ units = Rs. 110
⇒ 11 units = Rs. 330
1 unit = Rs. 30
6 units = 30 × 6 = Rs. 180
Hence, X has Rs. 180
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